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Danfoss VLT FC302 - Page 2

Danfoss VLT FC302
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Par. 2-26 Torque Ref
[60…100%]
Par. 2-27 Torque Ramp Up Time
[0,2…0,5s]
Par. 2-28 Gain Boost Factor
[0…4]
Par. 2-29 Torque Ramp Down
[0,2…0,5]
Par. 2-30 Position P Start Proportional
Gain [0,0000…1,0000]
Par. 2-31 Speed PID Start Proportional
Gain [0,015]
Par. 2-32 Speed PID Start Integral
Time [200ms]
Par. 2-33 Speed PID Start Lowpass
Filter Time [10ms]
Refer-
ences/
Ramps
Depending on the sizing of the drive
compared to the motor
Depending on the sizing of the drive
compared to the motor
5% less than Max FC Current
no yes
Par. 4-30 Motor Feedback Loss
Function <<Trip>> [2]
Par. 4-31 Motor Feedback Speed Error
[100…500rpm]
Par. 4-32 Motor Feedback Loss Timeout
[0,05…0,2s]
no yes
Par. 4-43 Motor Speed Monitor Function
<<Trip/Catch>> [4]
Par. 4-44 Motor Speed Monitor Max
[50rpm]
Par. 4-44 Motor Speed Monitor Timeout
[0,05s]
Par. 4-58 Missing Motor Phase Function
<<Trip 100ms 3ph detec.>> [3]
Digital
Inputs
Digital
Outputs
no yes
Par. 5-70 Term 32/33 Pulses Per
Revolution [Set PPR from the
connected 24V encoder]
Par. 5-71 Term 32/33 Encoder
Direction [clockwise]
Limits / Warnings
Par. Group 5-30 Digital Outputs: Because of the high variance how to programm the digital outputs for all kind of status signals, this is not part of this sheet.
But because of the importance of the mechanical brake control the digital output and relay for the mechanical brake control are described below.
Use one of the digital outputs 27 or 29 or one of the relays for mechanical brake control. These functions are in Par. 5-30, 5-31 and 5-40.
Do not
use any other function than Hoist Mech. Brake for controlling the mechanical brake of the motor!
Speed Closed Loop and 24V HTL
encoder used on terminal 32/33?
Par. 4-45 Motor Speed Monitor Timeout
[0,1s]
Par. 4-58 Missing Motor Phase Function
<<Trip 1000ms>> [2]
Par. 4-18 Current limit [>160%...250%]
Par. 4-19 May Output Frequency
[e.g. 65Hz]
Provides a final limit on the output frequency for improved
safety. Check correspondance to Par. 413 Motor Speed High Limit
[RPM]
Par. Group 5-00 Digital I/O Mode and group 5-10 and 5-20 Digital Inputs: Because of the high variance how to programm the digital inputs for start/stop, fixed speeds, direction, setup
selection,... this is not part of this sheet. Please refer to the FC300 Programming Guide for details. But because of the importance of the mechanical brake control the brake feedback signals
are described afterwards. If the mechanical brake is providing one or two feedback signals it is highly recommended to use them for checking the status of the mechanical brake during
operation. Use one or two digital inputs for Mech. Brake Feedback [70] and Mech. Brake Feedback Inv. [71]. Detailed description in the timing diagram for Hoist Mech. Brake in FC300
Programming Guide. See also Warning/Alarm 22 in FC300 Programming Guide. It is recommended to use Safe Stop terminal 37 as "safe stop alarm" or "warning".
Speed Closed Loop
Par. 4-43 Motor Speed Monitor Function
<<Trip>> [2]
Par. 4-44 Motor Speed Monitor Max
[50…100rpm]
Par. 4-39 Tracking Error After Ramping
Timeout [1…2s]
Speed Closed Loop
Par. 4-34 Tracking Error Function
<<Trip>> [2]
Only available if P228 is
set to 0
Mechanical Brake control
If P228 is set to 0
Par. 230…233 are
active
Par. 4-17 Torque Limit Generator Mode
[>160%...250%]
Par. Group 3-00 references/Ramps: Because the speed references can come from various different sources, depending on the crane controller, this is not part of this sheet. Same is valid for
ramp types. Please note: If you select S-ramp type the acceleration and deceleration currents can be higher compared to linear ramps. It is not recommended to use S-ramps with constant
jerk! Please refer to the FC300 Programming Guide.
Par. 4-10 Motor Speed Direction
<<Both Directions>> [2]
Par. 4-11 Motor Speed Low Limit
[0rpm]
Par. 4-13 Motor Speed High Limit
[110% of maximum speed in rpm]
Par. 4-16 Torque Limit Motor Mode
[>160%...250%]
Par. 4-35 Tracking Error
[10…300rpm]
Par. 4-36 Tracking Error Timeout
[1s]
Par. 4-37 Tracking Error Ramping
[20…500rpm]
Par. 4-38 Tracking Error Ramping
Timeout [1s]
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